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skip: sound whole-tile proofs for legacy FI/TN/VS fields (L74); FI -30%, TN -22%

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The compiled-analytic stratum interval now certifies a legacy tile uniform only when it stays
beyond the detail envelope (and smooth-min slack for solid) with no intersecting primitive,
edit, native field, composer candidate, passage or active transition; everything else fails
closed. The stream layer uses the proof for whole-tile skips; legacy sub-tile skips stay off
(two block proofs failed the falsifier in TN).

Falsifier: full-grid reference vs skip-enabled run, identical mesh/payload/topology hashes on
every tile of all four owner views, Clang and GCC, W1/W8/W12; 20-camera sweep per strate,
0 violations; a too-tight control changed 3/184/233/238 tiles and was caught.
Whole view (8 workers): SW 2.61->2.48, FI 7.18->5.05, TN 5.97->4.63, VS 2.70->2.40 s.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_016dhxM43dnWvUu2B5Ph1iG1
This commit is contained in:
Fr0zkaandClaude Opus 5.5 committed 2026-10-27 10:19:31 +01:00
1 parent bd1b2a8f1d
commit c67b2006aa
15 files changed
+1024 -21
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Standalone/Source/VoxelForge/Private/VoxelMarchingCubesMesher.cpp
+16 -3
View File
@@ -589,6 +589,7 @@ FVoxelMeshData UVoxelMarchingCubesMesher::GenerateMesh(FIntVector OriginVoxels,
EVoxelTileClass FirstUniformVerdict = EVoxelTileClass::Mixed;
bool bAllRelevantBlocksUniform = true;
bool bAllRelevantBlocksSame = true;
bool bAllRelevantBlocksProofSafe = true;
TArray<int32> MixedBlockIndices;
for (int32 BlockZ = 0; BlockZ < BlocksPerAxis; ++BlockZ)
@@ -629,6 +630,7 @@ FVoxelMeshData UVoxelMarchingCubesMesher::GenerateMesh(FIntVector OriginVoxels,
EVoxelTileClass Verdict;
bool bBlockUnknown = false;
bool bBlockNative = false;
bool bBlockProofSafe = false;
if(ShapeWorldContext&&Step<=2)
{
const auto ShapeVerdict=ShapeWorldContext->ClassifyBoxDetailed(
@@ -641,10 +643,14 @@ FVoxelMeshData UVoxelMarchingCubesMesher::GenerateMesh(FIntVector OriginVoxels,
?EVoxelTileClass::AllAir:EVoxelTileClass::Mixed;
bBlockUnknown=ShapeVerdict.bUnknown;
bBlockNative=ShapeVerdict.bNativeSurface;
bBlockProofSafe=ShapeVerdict.bSkipSafe;
if((Verdict==EVoxelTileClass::AllSolid
||Verdict==EVoxelTileClass::AllAir)
&&(!bBlockNative||bBlockUnknown))
&&!bBlockProofSafe)
{
bCanSkipProofBlockGrid=false;
bAllRelevantBlocksProofSafe=false;
}
}
else
{
@@ -729,7 +735,7 @@ FVoxelMeshData UVoxelMarchingCubesMesher::GenerateMesh(FIntVector OriginVoxels,
if (Verdict == EVoxelTileClass::AllSolid
|| Verdict == EVoxelTileClass::AllAir)
{
if(OutBlockProofAudit&&Step<=2&&bBlockNative)
if(OutBlockProofAudit&&Step<=2&&bBlockProofSafe)
{
++OutBlockProofAudit->CheckedBlocks;
const int32 ProofMinX=BlockX*BlockCells-1;
@@ -777,7 +783,7 @@ FVoxelMeshData UVoxelMarchingCubesMesher::GenerateMesh(FIntVector OriginVoxels,
}
if (Verdict == EVoxelTileClass::Mixed)
{
if(OutBlockProofAudit&&Step==2)
if(OutBlockProofAudit&&Step<=2)
{
++OutBlockProofAudit->FallbackBlocks;
if(bBlockUnknown)++OutBlockProofAudit->UnknownBlocks;
@@ -785,6 +791,12 @@ FVoxelMeshData UVoxelMarchingCubesMesher::GenerateMesh(FIntVector OriginVoxels,
MixedBlockIndices.Add(
((BlockZ * BlocksPerAxis) + BlockY) * BlocksPerAxis + BlockX);
}
else if(OutBlockProofAudit&&Step<=2&&!bBlockProofSafe)
{
// A midpoint or other non-interval verdict is only a candidate;
// it is not counted as a certified hit in the statistical sweep.
++OutBlockProofAudit->FallbackBlocks;
}
if (Verdict == EVoxelTileClass::AllSolid
|| Verdict == EVoxelTileClass::AllAir)
{
@@ -884,6 +896,7 @@ FVoxelMeshData UVoxelMarchingCubesMesher::GenerateMesh(FIntVector OriginVoxels,
// allocating the density grid; no samples are skipped for a tile that can contain
// geometry, and the final geometry remains byte-identical because this path emits none.
if (bHaveUniformBlock && bAllRelevantBlocksSame && bAllRelevantBlocksUniform
&& bAllRelevantBlocksProofSafe
&& !(Step == 2 && OutDebugDensitySamples != nullptr)
&& !(bForceFullDensityCapture && OutDebugDensitySamples != nullptr))
{